Abacus 算盘

Abacus 算盘

The abacus is a tool for calculations that was invented more than 2000 years ago. Although calculators and computers are often used today, abacuses are still used in some countries and are also used to teach arithmetic to children.

Mental Arithmetic is a method consisting of visualizing the abacus in one’s mind to complete calculations and solve problems.

算盘,是一种计算工具,至今已有2000多年的历史。虽然算盘已经被计算器和计算机取代,但在某些国家仍然普遍使用,还被用来教授儿童珠心算。

珠心算是一种可视化的计算方法,将算盘的盘式、档次及算珠的浮动变化描绘到脑子里,解决人们计算时遇到的问题,它是开启智慧的金钥匙。